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ICSE Class 10 Chemistry 2014 Paper

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Give balanced chemical equations to prepare the following salts :
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Question : 70 of 88
Marks: +1, -0
Copper chloride using copper carbonate.
Solution:  
CuCO3+2 HClCopper carbonate→CuCl2+H2OCopper chloride+CO2↑\underset{\text{Copper carbonate}}{\mathrm{CuCO}_3+2\,\mathrm{HCl}}\rightarrow\underset{\text{Copper chloride}}{\mathrm{CuCl}_2+\mathrm{H_2O}}+\mathrm{CO_2}\uparrow
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